Physics, 16.12.2020 22:50 bahjaMcclatchey1110
A student wants to use a ramp to move boxes into a truck bed that is 3 m high. He has a choice of 2 different ramps. The length of one ramp is 4m, and the length of the other ramp is 6m.
Which one will make his work easier?
A.
6m, because he has to apply more force over a greater distance.
B.
6m, because he has to apply less force over a greater distance.
C.
4m, because he has to apply less force over a greater distance.
D.
4m, because he has to apply more force over a greater distance
Answers: 3
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Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.
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In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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A student wants to use a ramp to move boxes into a truck bed that is 3 m high. He has a choice of 2...
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